Patak, Andi Anto, Hamimah Abu Naim, Amar Ma’ruf, and Mohd Najib Abdul Ghafar. 2016. “Design and Validation of Online Learning Environment Questionnaire”. International Journal on Advanced Science, Engineering and Information Technology 6 (3):334-38. https://doi.org/10.18517/ijaseit.6.3.732.